Researchers believe it is only the fourth documented humpback whale birth ever recorded. The footage was captured near Kingscliff in northern New South Wales during Australia's annual humpback whale migration. It is an extraordinary contribution to our understanding of humpback whale reproduction and maternal behavior." "It's the first drone video, as far as we know, of a full humpback whale live birth. "Humpback whales seem to have an incredible maternal bond with their offspring," Forrest told Live Science.